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Help CenterSteel Round Bar 4140/4340/42CrMo4
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Specifications
steel round bar 4140/4340/42CrMo4Large stock with good price
1.Diameter:20-400mm
2.Length:2000-5800mm
Detailed Product Description
steel round bar 4140/4340/42CrMo4
For super industry structure use, Alloy Structure Steel,
1.Size:Diameter:20-400mm Length:2000-5800mm
2. Delivery condition: Hot-rolled,black surface
3.Chemical composition:C:0.38~0.45 Si:≤0.40 Mn:0.75~0.90 S:≤0.035 P:≤0.035 Cr:0.90~1.20 Ni:≤0.030 Cu:≤0.030 Mo:0.15~0.30
4.Process: EAF + LF + VD + Forged + Heat Treatment (optional)
5.Delivery condition: Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)
6.Technical Data: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing
7.Test: ultrasonic test according to SEP 1921-84 3C/c
8.Material details will be as per agreed technical specifications
9.Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property (yield strength, tensile strength, elongation and hardness), forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.
10.Marking: Heat No. will be cold stamped and Steel grade, diameter (mm), length (mm), and the manufacturer LOGO and weight (kg) is painted.
More information please refer to our Web:
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